Nebula Cartomizer Air Hole Size

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PhiHalcyon

Moved On
Mar 30, 2009
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Actually, I find the 510 manual to be a harder draw than the KD808D-1, but still less than an analog.

I prefer the harder draw, myself.

Turn the slot on your battery's center contact 45 degrees from being aligned with the two air-holes in your battery's thread body (in other words, halfway inbetween being aligned with the holes and being perpendicular to the holes) and you will get the harder draw you prefer.
 

tokarev

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Jan 25, 2009
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Tennessee, USA
tokarev,

As long as your slot was reasonably close to being aligned with the holes already, you probably wouldn't notice a big difference; but, if you were to turn your slot so that it was perpendicular to the holes you'd notice a huge (undesireable) difference. Consequently, aligning the slot with the holes would appear to be by design. I myself noticed a slight reduction in air noise more than anything else.

As for the metal screwdriver concern, there is no voltage at the center contact point until the vacuum switch is activated.

PhiHalcyon-

You are correct, sir! I guess my slot was close to being aligned in the first place. Turning the slot perpendicular to the holes DOES make a difference, although in my case it's not so undesirable. I still get a lighter draw than most of my 901s and the battery triggers easier. I think it gives better vapor as well. My cart appears to have the large air holes, so YMMV.

You are right about the metal screwdriver, too. I wasn't thinking when I typed that.:oops: I've got too many devices and some of them (like the kissbox) CAN be shorted that way.

TT33
 

PhiHalcyon

Moved On
Mar 30, 2009
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tokarev,

It's good to hear that our exploratory tinkering has paid off for you. As a result of your outcome, I went ahead and tried the perpendicular slot-to-hole alignment again; and it's actually not as bad as I had recalled. The draw is a little harder than I prefer, but I can see why some people may like it. After a little more experimentation, I think that the battery's slotted center contact can be fairly considered as an effective draw adjustment screw.

As for the screwdriver thing ... after having been extremely cautious with my screwdriver at first, I got a good laugh at myself when I remembered the vacuum switch and its relevance. Nonetheless, being cautious is never a bad thing; especially when dealing with lithium-based batteries.

Speaking of being cautious, anyone who chooses to experiment with the slot-to-hole alignment being discussed here should know that the slotted center contact has a small and important power wire soldered to it. So, if you turn it too much, then you will run the very high risk of breaking the wire to center contact connection, and end up with a battery that needs to be repaired. Consequently, if you feel the need to experiment despite this risk, then make sure that you limit your adjustment to no more than a 1/4 turn in either direction.

With your thread body holes at the 9 and 3 o'clock positions, the maximum range of slot adjustment should be between 9 and 12 o'clock.
 

rsngfrce

Super Member
ECF Veteran
Turn the slot on your battery's center contact 45 degrees from being aligned with the two air-holes in your battery's thread body (in other words, halfway inbetween being aligned with the holes and being perpendicular to the holes) and you will get the harder draw you prefer.

Thanks! I much prefer the 45 degree position myself... much less airy! :thumb:
 
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